The noble-minded are calm and steady. Little people are forever fussing and fretting.
Shall I tell you what knowledge is? It is to know both what one knows and what one does not know.
A fool marvels at rare things, but a wise man at common ones.
Have no friends not equal to yourself.
The determined scholar and the man of virtue will not seek to live at the expense of injuring their virtue. They will even sacrifice their lives to preserve their virtue complete.
Seek Not Every Quality In One Individual.